A group of unions asked for a temporary court order to stop the US Treasury Department from handing over personal and financial data on Americans to people associated with Elon Musk’s team of government efficiency enforcers.

The Treasury Department said Elon Musk aides detailed to the agency have “read-only” access to its sensitive $5 trillion US payments system and that no payments have been suspended or rejected as part of an ongoing review.

WASHINGTON—The Treasury Department said Tuesday that it is conducting an “operational efficiency assessment” of its payment systems and that the agency hasn’t suspended or rejected any payment instructions,